Remove `capture` kwarg from `fab_run()` function

This argument is valid only in combination with `local` role parameter, and it
is not being called in this combination anymore.

helpers.py

@@ -58,16 +58,15 @@ else:
 env.site_drush_aliases = path.join(env.docker_site_root, 'sites/all/drush')
 
 
-def fab_run(role="local", cmd="", capture=False):
+def fab_run(role="local", cmd=""):
     """
     Helper function to run the task locally or remotely
     :param role: the role to use for define the host
     :param cmd: the command to execute
-    :param capture: if it should return or not the output of the command
     :return: the function to execute the command locally or remotely
     """
     if role == "local":
-        return local(cmd, capture)
+        return local(cmd)
     else:
         return run(cmd)